cafe-grader-web

Commit r852:41c96ab8e589 public

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Description:
use uuid cookie
Commit status:
[Not Reviewed]
References:
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r852:41c96ab8e589 - - 2 files changed: 19 inserted, 1 deleted

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@@ -1,31 +1,33
1 1 require 'ipaddr'
2 + require "securerandom"
2 3
3 4 class ApplicationController < ActionController::Base
4 5 protect_from_forgery
5 6
6 7 before_action :current_user
7 8 before_action :nav_announcement
9 + before_action :unique_visitor_id
8 10
9 11 SINGLE_USER_MODE_CONF_KEY = 'system.single_user_mode'
10 12 MULTIPLE_IP_LOGIN_CONF_KEY = 'right.multiple_ip_login'
11 13 WHITELIST_IGNORE_CONF_KEY = 'right.whitelist_ignore'
12 14 WHITELIST_IP_CONF_KEY = 'right.whitelist_ip'
13 15
14 16 #report and redirect for unauthorized activities
15 17 def unauthorized_redirect(notice = 'You are not authorized to view the page you requested')
16 18 flash[:notice] = notice
17 19 redirect_to login_main_path
18 20 end
19 21
20 22 # Returns the current logged-in user (if any).
21 23 def current_user
22 24 return nil unless session[:user_id]
23 25 @current_user ||= User.find(session[:user_id])
24 26 end
25 27
26 28 def nav_announcement
27 29 @nav_announcement = Announcement.where(on_nav_bar: true)
28 30 end
29 31
30 32 def admin_authorization
31 33 return false unless check_valid_login
@@ -33,48 +35,54
33 35 unless user.admin?
34 36 unauthorized_redirect
35 37 return false
36 38 end
37 39 return true
38 40 end
39 41
40 42 def authorization_by_roles(allowed_roles)
41 43 return false unless check_valid_login
42 44 unless @current_user.roles.detect { |role| allowed_roles.member?(role.name) }
43 45 unauthorized_redirect
44 46 return false
45 47 end
46 48 end
47 49
48 50 def testcase_authorization
49 51 #admin always has privileged
50 52 if @current_user.admin?
51 53 return true
52 54 end
53 55
54 56 unauthorized_redirect unless GraderConfiguration["right.view_testcase"]
55 57 end
56 58
59 + def unique_visitor_id
60 + unless cookies[:uuid]
61 + value = SecureRandom.uuid
62 + cookies[:uuid] = { value: value, expires: 20.year }
63 + end
64 + end
57 65
58 66 protected
59 67
60 68 #redirect to root (and also force logout)
61 69 #if the user is not logged_in or the system is in "ADMIN ONLY" mode
62 70 def check_valid_login
63 71 #check if logged in
64 72 unless session[:user_id]
65 73 if GraderConfiguration[SINGLE_USER_MODE_CONF_KEY]
66 74 unauthorized_redirect('You need to login but you cannot log in at this time')
67 75 else
68 76 unauthorized_redirect('You need to login')
69 77 end
70 78 return false
71 79 end
72 80
73 81 # check if run in single user mode
74 82 if GraderConfiguration[SINGLE_USER_MODE_CONF_KEY]
75 83 if @current_user==nil || (!@current_user.admin?)
76 84 unauthorized_redirect('You cannot log in at this time')
77 85 return false
78 86 end
79 87 end
80 88
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@@ -1,65 +1,75
1 1 class LoginController < ApplicationController
2 2
3 3 @@authenticators = []
4 4
5 5 def index
6 6 # show login screen
7 7 reset_session
8 8 redirect_to :controller => 'main', :action => 'login'
9 9 end
10 10
11 11 def login
12 12 user = get_authenticated_user(params[:login], params[:password])
13 13 unless user
14 14 flash[:notice] = 'Wrong password'
15 15 redirect_to :controller => 'main', :action => 'login'
16 16 return
17 17 end
18 18
19 19 if (!GraderConfiguration['right.bypass_agreement']) and (!params[:accept_agree]) and !user.admin?
20 20 flash[:notice] = 'You must accept the agreement before logging in'
21 21 redirect_to :controller => 'main', :action => 'login'
22 22 return
23 23 end
24 24
25 + #store uuid when login
26 + if user.last_ip.nil?
27 + user.last_ip = cookies[:uuid]
28 + else
29 + if user.last_ip != cookies[:uuid]
30 + user.last_ip =cookies[:uuid]
31 + #log different login
32 + end
33 + end
34 +
25 35 #process logging in
26 36 session[:user_id] = user.id
27 37 session[:admin] = user.admin?
28 38
29 39 # clear forced logout flag for multicontests contest change
30 40 if GraderConfiguration.multicontests?
31 41 contest_stat = user.contest_stat
32 42 if contest_stat.respond_to? :forced_logout
33 43 if contest_stat.forced_logout
34 44 contest_stat.forced_logout = false
35 45 contest_stat.save
36 46 end
37 47 end
38 48 end
39 49
40 50 #save login information
41 - Login.create(user_id: user.id, ip_address: request.remote_ip)
51 + Login.create(user_id: user.id, ip_address: cookies[:uuid])
42 52
43 53 redirect_to :controller => 'main', :action => 'list'
44 54 end
45 55
46 56 def site_login
47 57 begin
48 58 site = Site.find(params[:login][:site_id])
49 59 rescue ActiveRecord::RecordNotFound
50 60 site = nil
51 61 end
52 62 if site==nil
53 63 flash[:notice] = 'Wrong site'
54 64 redirect_to :controller => 'main', :action => 'login' and return
55 65 end
56 66 if (site.password) and (site.password == params[:login][:password])
57 67 session[:site_id] = site.id
58 68 redirect_to :controller => 'site', :action => 'index'
59 69 else
60 70 flash[:notice] = 'Wrong site password'
61 71 redirect_to :controller => 'site', :action => 'login'
62 72 end
63 73 end
64 74
65 75 def logout
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